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https://issues.apache.org/jira/browse/HIVE-21100?focusedWorklogId=705377&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-705377
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ASF GitHub Bot logged work on HIVE-21100:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Jan/22 06:57
Start Date: 08/Jan/22 06:57
Worklog Time Spent: 10m
Work Description: pvary edited a comment on pull request #2921:
URL: https://github.com/apache/hive/pull/2921#issuecomment-1007898221
@hsnusonic: Does this work for ACID tables? If so, will this work with
direct insert enabled? (I suspect not, as we are not moving files there)
Is it possible to have a solution which could work even if the direct insert
is enabled? Direct insert is a serious performance gain on S3, and it would be
good to have a solution working for both ceses.
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Issue Time Tracking
-------------------
Worklog Id: (was: 705377)
Time Spent: 40m (was: 0.5h)
> Allow flattening of table subdirectories resulted when using TEZ engine and
> UNION clause
> ----------------------------------------------------------------------------------------
>
> Key: HIVE-21100
> URL: https://issues.apache.org/jira/browse/HIVE-21100
> Project: Hive
> Issue Type: Improvement
> Reporter: George Pachitariu
> Assignee: George Pachitariu
> Priority: Minor
> Labels: pull-request-available
> Attachments: HIVE-21100.1.patch, HIVE-21100.2.patch,
> HIVE-21100.3.patch, HIVE-21100.patch
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Right now, when writing data into a table with Tez engine and the clause
> UNION ALL is the last step of the query, Hive on Tez will create a
> subdirectory for each branch of the UNION ALL.
> With this patch the subdirectories are removed, and the files are renamed and
> moved to the parent directory.
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